Feed table for presses



Sept. 10, 1929. -1 E BENNET 1,727,856

FEED TABLE FOR PRESSES Filed May 23 1928 2 Sheets-Sheet l Sept 10, l929 J. E. BENNET 1,727,856

FEED TABLE FOR PRESSES Filed May 23, 1928 z sheets-sheet 2 Patented Sept. 10, 1929.

UNITED vsxrrsfrEs PATENT OFFICE.

JAMES E. BENNET, OF NEW YORK, N. Y., ASSIGNOB TO THE BKABCOCK PRINTING PRESS' MANUFACTURING COMPANY, A CORPORATION O CONNECTICUT.

FEED TABLE Eon PRESSES.

Application filed May k23,

I ed to operate on sheets. I have chosen to illustrate my invention in connection with a well known type of printing press. The object of the invention is to provide a table for holding the sheets in position for the feeder to take them in the operation of feeding the sheets to the press; and also to provide a device of this character which may be folded up out of the way, and to give the greatest room to permit access to the working parts of the press, whenever that is. desired. Withy the present invention it is possible to raise the rear leaf of the feed table to give maximum space for access to the bed of the press, or the forward leaf may be folded up to give maximum room for access to the cylinder of the press. The folding operations may be carried out very quicklyy and the device is simple in construction and operation.

In the dra-wings forming part of this application, ,y j

v Figure 1 is a sectional view through the feed table embodying my invention, ,and showing some parts of the printing press in side elevation, y y

Figure 2 is a plan view of one side of the feed table,

Figure 3 is a side elevation of a portion of, the feed table on an enlarged scale,

Figure 4 is a plan view of the same parts,

Figure 5 is a side elevation of the device, showing it lifted to provide access to the bed of the press, and j Figure 6 is a similar view showing the table lifted or folded up to permit access to the cylinder of the press.

In the drawings I have shown only such parts of the printing press` as may be necessary to illustrate one application of my Xinvention. For instance, I have shown a portion of the side frame 10 of the press from which extends upwardly at the rear end ya bracket 11 which serves to support one/end of the feed table. 1Spaced from this bracket is the usual impressionylinder 12 which first 192s. seriai No,` 280,110.

receives the sheet from the'feed table and' carries it around into contact with the form on the reciprocating bed 13. In preparation for running a jobfgvit 1s necessar at times for the pressman to have access to t e form on the reciprocating bed, and the more accessible n the form is, the less time required to carry out the `preparatory work.,` Likewise, the more accessible the impression cylinder is in preparing the make ready, the quicker this Work can be performed; As the feed table is over and adjacent these'two parts of the press, it is necessary to move the same in order to have access to the bed and impression cylinder, and while various devices have been` proposed in the form of movable tables,

the object of the present constructionis yto permitthe table to be folded quickly and completely out of the kv'vayand at the same time retaining the simplest form of mechanism for the purpose.k

I have shown the feed table composed of a plurality of leaves some of which are separately movable, but adapted to lie in a common planewhen the table isin actual operation as shown in Figure 1. For this purpose I have employed arearmost leaf 14 and next'` to this there is another leaf 15 which is at-r tached to the first one by means of a hinge 16 adjacent their meeting edges. These two leavesare foldable 'as will appear in the subsequent description. Forward of theleaves referred to ,I have shown additional leaves 17 and 18 which 'are rnot necessarily movable or foldablein relation to each other.

The leaf Meis` attached tothe lever arms f 19 which pivot from the point 20 on the bracket 11. The leaf 15, as above stated, is hinged to the leaf 1,4 and therefore it is indirectlyy connected to the lever arms 19.., The leaves 17,

18 are attached to supporting lever arms 21y which are pivoted to the bracket 11 at 'the point 2O so that they are supportedy at one end by the bracket 11. When in operative position the arms 21 are supported at the opposite end by means of a restv block 22 secured to the side frame 10 of the press. The lever arms 19 and 21 are duplicated at opposite sides of the machine and together form pairs with the table leaves connected between them noy ioo

arms 21 will be swung rearwardly and upto form rigid units which pivot at the point 20. The levers of which the arms 19 form a part, have a short arm 23 on the opposite side of the' pivot V20 and this arm is adapted to vstrike the stop pin 24 when the leversr are the stop pin 26 .when the levers are swung into the position shown in Figure 6.

to the lever arms 19 and the leaf-15 is lpivoted by means of the hinge 16 to the leaf 14. The opposite end of this leaf 15 is connected by means of an arm 3 with the lever arin 21 at onev sideof the machine, the arm 3 being preferably connected by a screw 2 threaded into the boss 6, so that the arm A3 pivot about this screw. The yopposite end of the arm Sis pivotedy to the leaf 15, and I have shown a f so pivotal point 2, so that the leaf 15 isllifted and sleeve 4 set into anl aperture in the edge of thisleaf with a pin lextending through this sleeve and connected bya nut 28 which sets into a recess' 5 in the under side of the table vlea-f. The pin 1 serves asa second pivotal point where the arm 3 connects'with the leaf 15. The arm 3 and the lever arms 19V and 21 constitute, together with the leaf 15, a substantially parallel movement device. I i Then the' feed table is in' active use, the parts kwill be in the'position shown in Figure 1, where the arms 19 and 21 lie in the same plane, and the tops of all of the leaves are disposed in a common plane. A pile of sheets may be placed on the table and the operator advances the sheets, one/at a time, along the table toward the impression Vcylinder 12. Whenever it is desired to perform any work upon the form on the bedl of the press, Vthe parts ofthe table are swung into theposition shown in Figure That is to say, the table leaf 14 isliftedand this causes ythe arms 19 to which it is secured, to swing from the pivotal point 2O until'the arm 23 strikes againsty thel stop pin 24 whereupon the parts will remain in this position. yl/Vhen the leaf 14 is thus swung upwardly, it carries with it one end of the leaf 15 -by reason of the hinge connection 16, and it causes the arm 3 to swing about the moved forwardly into the position shown in Figure 5. Thisv allows the pressman to have free laccess to the bed or tothe form'carried I by it, assuming the bed has'been moved to a rear position on the press. Ifit is desired to have access to the impression cylinder, the

leaf 14 willbeswung backwardly anddownwardly into the position shown in Figure 6, and the leaves 17, 1S, together with the lever wardly or to `the rightpuntilthese parts arrive at the position shown in Figure 6, with the arm 25 resting against the stop Vpin 26. During this movement, one end of the leaf 15 table may be moved completely'free of either 75 the bed or the impression cylinder, and that As above stated,'the table leaf 14 is ,fixedr -ing the lever arms 19 or the lever arms 21 and ytheir associated table leaves.

Having described 'my invention, what I claim is: g

',1. In a `feed table for presses thek combination of a plurality of pivotal supports, table leavesY carried by` each of said pivotal supports and adapted to lie in substantially the same plane when in operative position, and another table leaf having a pivotal connection adjacent the end of one of said first leaves and a pivoted link connected with one of said pivotal supports and with said third mentioned table leaf.

2. In a feed tablefor presses a pivotal support having a table leaf carried thereby, a second pivotal support having a table leaf carried thereby andadapted to lie substantial-` ly in the same plane as said first table leaf when in operative position, an intermediate table leaf pivotally connected adjacent one edge of saidA second table leaf and a pivoted link connectedvwith the ropposite end of said thirdleaf and with the rocking support which carries'sa-id firstmentioned Atable leaf.

3. In a feed table for presses the combination of a pivotal support carrying a table leaf,Y a-second pivotal support rocking from substantially the same axis as said yfirst pivotal support and carryinga table leaf adapted to lie substantially in the same plane -as said first leaf, andan intermediate table leaf pivotally connected with said second table leaf 11o adjacent one edge thereof, and a pivoted link connected adjacent the opposite end of said third .leaf from its said pivotal-connection, said link being pivoted to the pivotal support which carries said first inentionedtable 11a leaf.V Y

4. In a feed table for presses thecombination of a pivoted support carrying a table leaf, a second table leaf pivotally connected adjacent one edge of said first leaf, and a` 12,9 link` for supporting the opposite end of said i second leaf and forming with said pivotal supportasubstantially parallel motion device.

` 5. In a feed table for presses the combination of a pivoted support carrying a table 1,25 leaf, a second vtable leaf pivotal-ly connected adjacent one edge of said'first leaf, and a link pivoted to the end of said second leaf oppo` site its connection with the first leaf for partially supporting said second leaf. l

6. In a feed table for presses the combination of a pivotal support carrying a table leaf, a second pivotal support carrying a table leaf adapted to lie in substantially the same plane as said first leaf when in operative position and in spaced relation to said first leaf, and a third table leaf adapted to lie between said first and second leaves when in operative position, said third table leaf being pivotally connected with said second table leaf adjacent one edge thereof and a pivoted link connected adjacent the free end of said third leaf and also pivotally connected with the said irst mentioned pivotal support at a point spaced from the pivot of said first mentioned support.

7 A press feed table for the stock, comprising front and rear sections mounted on supports to permit said sections to be swung into and out of active position, at least one of said sections including table leaves arranged to fold in relation to each other, and means for automatically operating a folding table leaf when either said front or said rear section is swung into or out of active position.

8. A press feed table for the stock, comprising front and rear sections mounted on supports to permit said sections to be swung into and out of active position, at least one of said sections including table leaves arranged to fold in relation to each other, and a pivoted link for causing the folding leaves toy operate automatically in relation to each other.

9. A press feed table for the stock, comprising a section mounted on pivotal supports and adapted to be swung into and out of active position, said section including leaves xedly attached to said pivotal supports and a leaf pivotally carried on said pivotal supports, and a link for supporting the opposite ende of said second mentioned leaf.

10. A press feed table for the stock, comprising a section mounted on pivotal supports and adapted to be swung into and out of active position, said section including leaves iixedly attached to said pivotal supports, a leaf pivotally carried on said pivotal supports and a link for supporting the opposite end of said second leaf and forming with .said pivotal supports a substantially parallel motion device.

1l. A press feed table for the stock, comprising front and rear sections mounted on pivotal supports to permit the sections to be swung into and out of active position, one of said sections including a plurality of table leaves, one of said leaves being pivoted in relation to the other, and a link for .supporting the opposite end of said pivoted leaf.

12. A press feed table for the stock, comprising front and rear sections mounted on pivotal support-s to permit said sections to be swung into and out of active position, one of April, 192s.

JAMES E. BENNET.

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